Nordyne E3 manual

IMPORT ANT : Read this owner inf ormation to become familiar with the capabilities and use of y our heating appliance . Keep this literature where y ou will have easy access to it in the future. If a pr oblem occur s, check the instructions and follo w recommenda- tions give n. I f t he se su gg es ti ons d on’ t eliminate y our problem, call the[...]

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3 Indoor Coil (optional) Coil Air Filters (used with indoor coil) Furnace Air Filter ( NOT used with coil air filters) Control P anel Cover (left) Data Label Circuit Breaker s Control P anel Cover (right) Blower Figure 1. Furnace P ar ts Identifi cation Model Identifi cation 10 20 30 50 60 70 80 90 SYSTEM HEAT OFF COOL VENTILATE ON AUTO Temperatu[...]

4 T o Operate System in Cooling Mode NO TE: The “F AN ON/F AN A UT O” (f an switch) and “HEA T/OFF/COOL ” (system s witch) are located either on your thermostat (if it’ s supplied with a sub-base) or on the rela y box added to your furnace. 1. Make sure b low er selector switch is on “A uto . ” 2. Set f an switch to “A UT O . ” 3.[...]

5 BEFORE YOU CALL A SERVICEMAN 1. Make sure ther mostat temperature selector is set abov e room temperature f or heating or below room temper ature for cooling. If ther mostat is equipped with heating/cool- ing sub-base, mak e sure system s witch (see Figure 1) is set to “HEA T” f or fur nace operation or set to “COOL ” f or optional air- c[...]

6 P ower entrance f or all models ma y be through the right side or through the bottom of the unit (when viewing the unit in a do wnfl o w position). UNIT CHECK OUT Bef ore installing this fur nace: 1. Inspect unit for possib le shipping damage. If shipping damage is f ound, fi le claim with transpor tation company . 2. Record fur nace model numb[...]

7 Return Air Codes and Requirements Unducted retur n air systems ma y be used f or closet or alcov e installations. NO TE: Applicable installation codes ma y limit the fur nace to installation in a single-story residence only . Fur nace installations other than closet or alcov e installations require ducted retur n air systems. Air retur n to the f[...]

8 T able 2. Optional Air Conditioning and Heat Pump Equipment Figure 3. Optional Rear Mounting Plate (P/N 389080) 3" (76 mm) 20-1/8" (511 mm) 11/16" (17 mm) Notes: 1) For A/C and H/P use. 2) Includes coil fi lters. 3) For upfl ow or downfl ow installations. 4) For upfl ow A/C or H/P installations (includes one fi lter; use fi l[...]

9 T able 3. Unit Specifi cations 1. Heating output rated at listed v oltage. F or outputs at voltages other than 240V , multiply Btuh rating by the f ollowing factors: x 0.92 (230V), x 0.84 (220V), x 0.75 (208V) 2. Height is 56” with retur n air grille installed, 58” with coil cabinet and 72” with coil cabinet and upfl o w stand. 3. The f a[...]

10 NO TE: Ref er to the instr uctions supplied with any additional accessories f or fur ther installa- tion details. Filtering Methods - Non-Ducted Return Air 1. Without A/C or H/P uncased coil: - use the fi lter supplied with the fur nace; ensure that the fi lter is installed mat side down betw een the fi lter retainer and furnace top (see Figu[...]

11 Preparing Floor Opening(s) 1. Mar k fl oor opening(s) as shown in Figure 6. Provide minimum clear ances at rear and right side walls of closet or alcov e f or installation of fur nace and wiring. 2. Cut fl oor opening on outside edge of marked line so that opening is slightly larger than area marked. 3. Additional provisions ma y be necessar y[...]

12 Rear Wall Cut-out Area Optional Supply Entrance Mounting Plate Floor Opening Refrigerant Line Opening Supply Air Duct Cut Duct Opening 1/16th. Larger Than Plenum Connector Figure 7. Rear Mounting Plate Rear Wall Secure Duct Connector & Mtg Plate With 2 Flat Head Screws or Nails At Dimpled Locations Refrigerant Line Opening Supply Air Duct Mo[...]

13 Figure 9. Platinum Duct Connector Mounting Plate Duct Connector Secure Duct Connector and Mounting Plate with 2 Flat-Head Screws or Nails 14" Supply Connection Method D 1. Score and cut top of metal duct as indicated in Figure 12, Step 1 or Step 2. If using Step 1, also cut out metal from the shaded area “A”. 2. Fold the duct fl ap “[...]

14 Alco ve Installation 1. Cut alcov e rough openings to minimum dimensions shown in Figure 13. 2. Attach frame assemb ly with four f asteners (provided or equiv alent) into pre-punched holes on top of fur nace (see Figure 5). 3. At manufacturers discretion, if additional securing is required attach each side of frame assemb ly to alcov e opening u[...]

15 20" (508 mm) 24 3/4" (629 mm) A/C or H/P Coil W all P anel Coil Air Filters Return Air Gr ille Floor 56" (1423 mm) 29" ( 737 mm) 27" (686 mm) Furnace Front 18" Nearest Wall or Partition Figure 13. T ypical Alcove Installation Figure 14. T ypical Closet Installation Wall-Mount Return Air Grille Holes (4) Closet Door [...]

16 NO TES: • Bef ore installing this fur nace , consider all clearances f or the installation and future ser vicing of the furnace. Refer to T ab le 1. • The 2 Wire Rela y Control is NOT recom- mended f or upfl ow applications , instead, the A C/HP Relay Control (4-7 wire) should be used when conv er ting some models to accept an air condition[...]

17 3. Install 240V supply circuit(s) and 24V wir- ing to closet (see Figure 16 f or appropr iate locations). 4. P osition optional coil cabinet ov er fl oor cutout and secure with three or more f asteners. 5. P osition fur nace onto coil cabinet and secure with two or more f asteners. 6. Use optional upfl ow duct connector or fi eld supplied con[...]

18 • -010 model is factory-wired for single-branch supply circuit only . • -012 models are f actor y-wired f or single- branch supply circuit (single-circuit kit in- stalled). Dual-branch circuit can be used by removing f actor y-installed single-circuit kit (see Figures 20 and 21). • -015, -017, -020 and -023 models are f actor y-wired f or [...]

19 Optional Single Circuit Adaptor Kit Circuit Breaker Bracket 60A 60A ON ON OFF OFF Circuit Breaker Wire Assemblies (Factory Installed) Supply Service Wire Connection With Single Circuit Adaptor Kit 6. Connect ser vice ground wire(s) to grounding lug(s) provided. One ground is required f or each supply circuit used. W ARNING: T o av oid personal i[...]

20 IMPOR T ANT : If a relay bo x is installed, blower speeds for heating and cooling are set inside the relay bo x (see instructions included with rela y bo x). The blower speed inside the furnace control bo x must be set to lo w or medium-low . Never c hange to a heating speed lower than that shown in T able 5. Changing Blower Speed E3EH: The sele[...]

21 SYSTEM CHECK OUT Chec king Installation 1. Refer to appropriate wiring diagram and recheck all wiring connections. Ensure that all connections are tight. 2 . Check blower motor and relay box con- nectors f or proper connection. 3. Reinstall control bo x cov er(s). 4. Switch circuit breaker(s) to “ON” position. 5. Set fur nace blow er selecto[...]

22 * Can be H or B CA UTION: When sizing the wire, y ou must f ollow the guidelines of the latest re vision of the NEC. NM-B wire is equiv alent to “Romex” cable. SEU is equiv alent to ser vice entr y cable . For NEC type NM-B wire , you must size the wire using 60C r atings per NEC ar ticle 326. * Minimum o vercurrent protection per NEC 424-3b[...]

23 TRANSFORMER 240V 24V ELEMENTS TOP ELEMENTS, 10.0 KW H MH ML L C ORANGE RED BLACK GREY ORANGE GREY BLACK BLUE YELLOW RED WHITE RED BLACK BLACK CONT ACT OR LIMITS RED 1 5 2 BLOWER RELA Y 3 6 4 GREEN GREEN WHITE 1 2 3 4 5 6 1 2 3 45 6 4 2 3 1 FUSE BLACK BLACK VIOLET RED COM BLACK RED RED 60A ON OFF Circuit A Line V oltage GRD Ground Supply CIRCUIT [...]

24 W ARNING: Switch cir cuit breakers to the OFF position before servicing the furnace . Figure 27. E3EB 012H Wiring Diagrams NO TES: 1) See unit data label f or recommended supply wire sizes . 2) Thermostat anticipator setting: 0.20 Amps. 3) T o change b lower speed on units without a rela y bo x refer to installation instructions. 4) Refer to fur[...]

25 TRANSFORMER 240V 24V CONT ACT OR LIMITS TOP ELEMENTS, 10.0/10.8 KW ELEMENTS BOTT OM ELEMENT , 5.0/5.4 KW H MH ML L C BLACK RED BLACK GREY ORANGE GREY BLACK BLUE BLACK RED 1 5 2 BLO WER RELA Y 3 6 4 GREEN GREY GREY WHITE 4 2 3 1 1 2 3 4 5 6 12 3 45 6 RED FUSE VIOLET BLACK COM CONT ACT OR BLACK BLACK RED RED RED 60A ON OFF GRD Single Supply (optio[...]

26 ! W ARNING: Switch cir cuit breakers to the OFF position before servicing the furnace . Legend: CB – Circuit Breaker E – Heater Element IFR – Fan Rela y Cont – Contactor LS – Limit Switch – F an Plug IFM – F an Motor 60A ON OFF GRD Single Supply (optional) OR Circuit A Circuit B GRD GRD Ground Dual Supply 60A 60A ON ON OFF OFF Grou[...]

27 Figure 30. E3EX 010H Figure 31. E3EX 012H Notes : 1) See unit data label for recommended supply wire sizes . 2) Ther mostat anticipator setting : 0.40 Amps 3) T o change blower speed on units without a rela y box installed ref er to installation instructions 4) Refer to furnace and/or relay bo x installation instructions for thermostat connectio[...]

28 Notes : 1) See unit data label for recommended supply wire siz es. 2) Thermostat anticipator setting : 0.40 Amps 3) T o change blo wer speed on units without a relay bo x installed refer to installation instructions 4) Refer to furnace and/or rela y box installation instructions for thermostat connections. 5) If any wire in this unit is to be re[...]

29 Figure 35. E3 Furnace Low V oltage Wiring if Installed with Platin um Series Models T ypical AC R G W Y Ye l l o w Black PLA TINUM THERMOST A T Y ellow or Blue White Green Red Wire from furnace to Platinum unit Green White Red Y ellow or Blue Red and white t-stat wire connected by OEM Wire from thermostat to furnace R G W Y Grey White Red Green [...]

30 Furnace Inspection Report Please Write In Appropriate Response Electrical Wiring (If single circuit, write “N/A” in circuit B) Circuit A Circuit B Breaker Size? Furnace Wire Size? Thermostat Wire Size? Please Circle Appropriate Response Electrical Is the furnace grounded properly? Y es No N/A Is wiring routed safely with approved connectors?[...]

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O’F allon, MO 7088270 Specifi cations and illustrations subject to change without notice and without incurring obligations. Printed in U.S .A. (07/08) ¢708827H¤ 7088270 INSTALLER: Do Not Discard These Instructions After completing the installation, retur n these instructions to the Homeowner’ s P ackage f or owner-user’ s future ref erence[...]